Is CVE-2021-26106 in the CISA KEV catalog?

No. CVE-2021-26106 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26106?

CVE-2021-26106 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-26106?

CVE-2021-26106 has an EPSS score of 0.29% (21th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26106?

Upgrade fortiap to 6.4.6 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-26106

HIGH

7.8

CVSS v3

NVD

Description

An improper neutralization of special elements used in an OS Command vulnerability in FortiAP's console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.

CWE-78OS Command Injection

How to fix

Remediation Available

fortiapNVD

Affected:>= 6.4.1, < 6.4.6Fixed in:6.4.6CVE-2021-26106derived from NVD

fortiap-sNVD

Affected:>= 6.2.4, < 6.2.6Fixed in:6.2.6CVE-2021-26106derived from NVD

fortiap-w2NVD

Affected:>= 6.2.4, < 6.2.6Fixed in:6.2.6CVE-2021-26106derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.29%probability of exploitation in 30 days

21stpercentile

Low risk: more likely to be exploited than 21% of all known CVEs.

References

Vendor Advisory1

fortiguard.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.